/**
 * http://usejsdoc.org/
 */
var fs = require("fs");
var data = '';
//创建可读流
var readerStream = fs.createReadStream('input.txt');
//设置编码为UTF-8
readerStream.setEncoding('UTF-8');
//处理流事件 --> data, end and error
readerStream.on('data',function(chunk){
	data += chunk;
});
readerStream.on('end',function(){
	console.log(data);
});
readerStream.on('error',function(err){
	console.log(err.stack);
});
console.log("程序执行完毕。");